In China, a megalopolis (Chinese: 城市群; pinyin: Chéngshì Qún) is a designation by the government to promote the development of a group of cities through transportation and communication links. The Economist Intelligence Unit in 2012 identified 13 megalopolises: Chang-Zhu-Tan (Greater Changsha), Chengdu, Chongqing, Greater Beijing i.e. Jing-Jin-Ji, Greater Shanghai (incl. Suzhou), Greater Xi'an, Greater Zhengzhou, Greater Guangzhou, Hefei economic circle (incl. Lu'an, Huainan, Chaohu), Shandong Peninsula, Greater Shenyang, Shenzhen and Wuhan.